DE69313273T2 - Magnetorheologische flüssigkeiten und herstellungsverfahrens - Google Patents
Magnetorheologische flüssigkeiten und herstellungsverfahrensInfo
- Publication number
- DE69313273T2 DE69313273T2 DE69313273T DE69313273T DE69313273T2 DE 69313273 T2 DE69313273 T2 DE 69313273T2 DE 69313273 T DE69313273 T DE 69313273T DE 69313273 T DE69313273 T DE 69313273T DE 69313273 T2 DE69313273 T2 DE 69313273T2
- Authority
- DE
- Germany
- Prior art keywords
- carrying fluid
- particles
- composition
- fluid composition
- preparing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000012530 fluid Substances 0.000 abstract 9
- 239000002245 particle Substances 0.000 abstract 4
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 abstract 2
- 239000003350 kerosene Substances 0.000 abstract 2
- 239000003381 stabilizer Substances 0.000 abstract 2
- 229920001567 vinyl ester resin Polymers 0.000 abstract 2
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 239000003085 diluting agent Substances 0.000 abstract 1
- 239000006249 magnetic particle Substances 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
- H01F1/447—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids characterised by magnetoviscosity, e.g. magnetorheological, magnetothixotropic, magnetodilatant liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
- H01F1/442—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids the magnetic component being a metal or alloy, e.g. Fe
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86846692A | 1992-04-14 | 1992-04-14 | |
PCT/US1993/003487 WO1993021644A1 (en) | 1992-04-14 | 1993-04-14 | Magnetorheological fluids and methods of making thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69313273D1 DE69313273D1 (de) | 1997-09-25 |
DE69313273T2 true DE69313273T2 (de) | 1997-12-04 |
Family
ID=25351743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69313273T Expired - Fee Related DE69313273T2 (de) | 1992-04-14 | 1993-04-14 | Magnetorheologische flüssigkeiten und herstellungsverfahrens |
Country Status (7)
Country | Link |
---|---|
US (1) | US5525249A (de) |
EP (1) | EP0636273B1 (de) |
JP (1) | JP3241726B2 (de) |
AT (1) | ATE157192T1 (de) |
DE (1) | DE69313273T2 (de) |
ES (1) | ES2105256T3 (de) |
WO (1) | WO1993021644A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8408370B2 (en) | 2005-12-12 | 2013-04-02 | Inventus Engineering Gmbh | Energy absorbing element |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6503414B1 (en) * | 1992-04-14 | 2003-01-07 | Byelocorp Scientific, Inc. | Magnetorheological polishing devices and methods |
EP0667029B1 (de) * | 1992-10-30 | 1998-09-23 | Lord Corporation | Magnetorheologische thixotrope materialien |
US5578238A (en) * | 1992-10-30 | 1996-11-26 | Lord Corporation | Magnetorheological materials utilizing surface-modified particles |
US5795212A (en) * | 1995-10-16 | 1998-08-18 | Byelocorp Scientific, Inc. | Deterministic magnetorheological finishing |
US5900184A (en) * | 1995-10-18 | 1999-05-04 | Lord Corporation | Method and magnetorheological fluid formulations for increasing the output of a magnetorheological fluid device |
US5667715A (en) * | 1996-04-08 | 1997-09-16 | General Motors Corporation | Magnetorheological fluids |
US5705085A (en) * | 1996-06-13 | 1998-01-06 | Lord Corporation | Organomolybdenum-containing magnetorheological fluid |
US5971835A (en) * | 1998-03-25 | 1999-10-26 | Qed Technologies, Inc. | System for abrasive jet shaping and polishing of a surface using magnetorheological fluid |
US5951369A (en) * | 1999-01-06 | 1999-09-14 | Qed Technologies, Inc. | System for magnetorheological finishing of substrates |
SG108221A1 (en) * | 1999-03-15 | 2005-01-28 | Tokyo Magnetic Printing | Free abrasive slurry compositions and a grinding method using the same |
US6402978B1 (en) | 1999-05-06 | 2002-06-11 | Mpm Ltd. | Magnetic polishing fluids for polishing metal substrates |
AU2001241642A1 (en) | 2000-02-18 | 2001-08-27 | The Board Of Regents Of The University And Community College System Of Nevada | Magnetorheological polymer gels |
US6626742B2 (en) | 2000-05-04 | 2003-09-30 | Mpm Ltd. | Polishing method and device |
US6717678B2 (en) * | 2000-12-08 | 2004-04-06 | Zygo Corporation | Monolithic corrector plate |
US20020171067A1 (en) * | 2001-05-04 | 2002-11-21 | Jolly Mark R. | Field responsive shear thickening fluid |
US6673258B2 (en) | 2001-10-11 | 2004-01-06 | Tmp Technologies, Inc. | Magnetically responsive foam and manufacturing process therefor |
US7670623B2 (en) * | 2002-05-31 | 2010-03-02 | Materials Modification, Inc. | Hemostatic composition |
US7560160B2 (en) * | 2002-11-25 | 2009-07-14 | Materials Modification, Inc. | Multifunctional particulate material, fluid, and composition |
US7413063B1 (en) | 2003-02-24 | 2008-08-19 | Davis Family Irrevocable Trust | Compressible fluid magnetorheological suspension strut |
US7007972B1 (en) | 2003-03-10 | 2006-03-07 | Materials Modification, Inc. | Method and airbag inflation apparatus employing magnetic fluid |
US7101487B2 (en) * | 2003-05-02 | 2006-09-05 | Ossur Engineering, Inc. | Magnetorheological fluid compositions and prosthetic knees utilizing same |
US6982501B1 (en) | 2003-05-19 | 2006-01-03 | Materials Modification, Inc. | Magnetic fluid power generator device and method for generating power |
US7200956B1 (en) | 2003-07-23 | 2007-04-10 | Materials Modification, Inc. | Magnetic fluid cushioning device for a footwear or shoe |
US7448389B1 (en) | 2003-10-10 | 2008-11-11 | Materials Modification, Inc. | Method and kit for inducing hypoxia in tumors through the use of a magnetic fluid |
US7051849B2 (en) * | 2003-10-22 | 2006-05-30 | General Motors Corporation | Magnetorheological fluid damper |
US6983832B2 (en) * | 2003-10-22 | 2006-01-10 | General Motors Corporation | Impact energy absorber and process |
US7225905B2 (en) * | 2003-10-22 | 2007-06-05 | General Motors Corporation | Magnetorheological fluid damper |
US20050274454A1 (en) * | 2004-06-09 | 2005-12-15 | Extrand Charles W | Magneto-active adhesive systems |
US7521002B2 (en) * | 2004-08-13 | 2009-04-21 | Gm Global Technology Operations, Inc. | Magnetorheological fluid compositions |
US7419616B2 (en) * | 2004-08-13 | 2008-09-02 | Gm Global Technology Operations, Inc. | Magnetorheological fluid compositions |
DE102004041651B4 (de) * | 2004-08-27 | 2006-10-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Magnetorheologische Materialien mit magnetischen und nichtmagnetischen anorganischen Zusätzen und deren Verwendung |
DE102004041650B4 (de) * | 2004-08-27 | 2006-10-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Magnetorheologische Materialien mit hohem Schaltfaktor und deren Verwendung |
DE102004041649B4 (de) | 2004-08-27 | 2006-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Magnetorheologische Elastomere und deren Verwendung |
US20060142632A1 (en) * | 2004-12-29 | 2006-06-29 | Attila Meretei | Systems and methods for removing plaque from a blood vessel |
US7401834B2 (en) * | 2005-07-13 | 2008-07-22 | Gm Global Technology Operations, Inc. | Child seat anchor assembly and methods of use |
DE102005034925B4 (de) * | 2005-07-26 | 2008-02-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Magnetorheologische Elastomerkomposite sowie deren Verwendung |
US7354528B2 (en) * | 2005-09-22 | 2008-04-08 | Gm Global Technology Operations, Inc. | Magnetorheological fluid compositions |
CN100433205C (zh) * | 2005-12-15 | 2008-11-12 | 北京钢研高纳科技股份有限公司 | 一种含超细非晶材料的磁流变液 |
DE102007017589B3 (de) * | 2007-04-13 | 2008-10-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dämpfungsvorrichtung mit feldsteuerbarer Flüssigkeit |
US8506837B2 (en) * | 2008-02-22 | 2013-08-13 | Schlumberger Technology Corporation | Field-responsive fluids |
US8361341B2 (en) | 2009-03-09 | 2013-01-29 | GM Global Technology Operations LLC | Magnetorheological compositions including nonmagnetic material |
JP5675788B2 (ja) | 2009-06-01 | 2015-02-25 | ロード コーポレイション | 高耐久性磁性流体 |
JP5194196B2 (ja) * | 2011-03-08 | 2013-05-08 | 株式会社栗本鐵工所 | 磁気粘性流体及びこれを用いたクラッチ |
JP6255715B2 (ja) * | 2013-05-17 | 2018-01-10 | 国立大学法人 名古屋工業大学 | 磁気機能性流体およびそれを用いたダンパ、クラッチ |
WO2015058037A1 (en) | 2013-10-17 | 2015-04-23 | Cerion, Llc | Malic acid stabilized nanoceria particles |
JP6057938B2 (ja) | 2014-03-20 | 2017-01-11 | 株式会社栗本鐵工所 | 磁気粘性流体及びこれを用いたクラッチ |
EP3247401B1 (de) | 2015-01-20 | 2019-09-18 | Cerion LLC | Edds-chelatierte zeroxidnanopartikel mit katalaseartiger aktivität |
CN110000619A (zh) * | 2019-03-12 | 2019-07-12 | 湘潭大学 | 磁流变胶微织构柔性砂轮及其制备方法和磨削装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE600722C (de) * | 1932-10-12 | 1936-02-25 | I G Farbenindustrie Akt Ges | Verfahren zur Verbesserung von Kohlenwasserstoffen, insbesondere Schmieroelen |
US2736409A (en) * | 1950-11-16 | 1956-02-28 | Vickers Inc | Magnetic fluid mixture clutch containing iron and nickel particles |
NL171985B (nl) * | 1951-08-23 | Rhone-Poulenc Industries Te Parijs. | Werkwijze voor het bereiden van preparaten met werking tegen schistosomiasis, de aldus verkregen gevormde preparaten en werkwijze voor het bereiden van 1,2-dithioolverbindingen. | |
US3987350A (en) * | 1971-05-18 | 1976-10-19 | Ing. C. Olivetti & C., S.P.A. | Numerical control system for center lathes |
US3897350A (en) * | 1974-05-30 | 1975-07-29 | Mobil Oil Corp | Anti-rust compositions |
US4356098A (en) | 1979-11-08 | 1982-10-26 | Ferrofluidics Corporation | Stable ferrofluid compositions and method of making same |
DE3026696A1 (de) * | 1980-07-15 | 1982-02-18 | Basf Ag, 6700 Ludwigshafen | Ferromagnetische, im wesentlichen aus eisen bestehende metallteilchen mit einem oberflaechenueberzug, verfahren zu deren herstellung sowie ihre verwendung zur herstellung von magnetischen aufzeichnungstraegern |
SU1089968A1 (ru) * | 1982-03-01 | 1996-04-10 | Институт тепло- и массообмена им.А.В.Лыкова | Магнитореологическая суспензия |
JPS58159316A (ja) * | 1982-03-17 | 1983-09-21 | Hitachi Maxell Ltd | 磁性粉末の製造方法 |
US4485024A (en) | 1982-04-07 | 1984-11-27 | Nippon Seiko Kabushiki Kaisha | Process for producing a ferrofluid, and a composition thereof |
SU1154938A1 (ru) * | 1983-07-13 | 1996-04-10 | Институт тепло- и массообмена им.А.В.Лыкова | Магнитореологическая суспензия |
JP2725269B2 (ja) * | 1988-02-18 | 1998-03-11 | エヌオーケー株式会社 | 磁性流体 |
US5167850A (en) * | 1989-06-27 | 1992-12-01 | Trw Inc. | Fluid responsive to magnetic field |
US4992190A (en) * | 1989-09-22 | 1991-02-12 | Trw Inc. | Fluid responsive to a magnetic field |
US5147573A (en) * | 1990-11-26 | 1992-09-15 | Omni Quest Corporation | Superparamagnetic liquid colloids |
-
1993
- 1993-04-14 AT AT93909513T patent/ATE157192T1/de active
- 1993-04-14 EP EP93909513A patent/EP0636273B1/de not_active Expired - Lifetime
- 1993-04-14 DE DE69313273T patent/DE69313273T2/de not_active Expired - Fee Related
- 1993-04-14 JP JP51857593A patent/JP3241726B2/ja not_active Expired - Fee Related
- 1993-04-14 WO PCT/US1993/003487 patent/WO1993021644A1/en active IP Right Grant
- 1993-04-14 ES ES93909513T patent/ES2105256T3/es not_active Expired - Lifetime
-
1995
- 1995-06-07 US US08/485,413 patent/US5525249A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8408370B2 (en) | 2005-12-12 | 2013-04-02 | Inventus Engineering Gmbh | Energy absorbing element |
EP1795427B2 (de) † | 2005-12-12 | 2014-09-24 | Inventus Engineering GmbH | Energie absorbierendes Element |
Also Published As
Publication number | Publication date |
---|---|
EP0636273A1 (de) | 1995-02-01 |
EP0636273B1 (de) | 1997-08-20 |
WO1993021644A1 (en) | 1993-10-28 |
ES2105256T3 (es) | 1997-10-16 |
US5525249A (en) | 1996-06-11 |
JPH07505978A (ja) | 1995-06-29 |
DE69313273D1 (de) | 1997-09-25 |
ATE157192T1 (de) | 1997-09-15 |
EP0636273A4 (de) | 1994-11-30 |
JP3241726B2 (ja) | 2001-12-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: QED TECHNOLOGIES INTERNATIONAL, INC., AURORA, , US |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: LORENZ UND KOLLEGEN, 89522 HEIDENHEIM |
|
8339 | Ceased/non-payment of the annual fee |